T/ZZB 2674-2022 Active Group standards

T/ZZB 2674-2022 3.6 kV～40.5 kV indoor double shield epoxy resin injection insulation tube。

Publish Date: 2022-04-13 Implement Date: 2022-05-13 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZB 2674-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Insulator

ICS Name: Casing

Publish Date: 2022-04-13

Implement Date: 2022-05-13

Pages: 11 pages

Scope

Main technical content: This document specifies the terms and definitions, rated values and operating conditions, basic requirements, technical requirements, inspection methods, inspection rules, marking, packaging, transportation and storage, and quality commitments for indoor double-shielded epoxy resin cast insulation bushings (hereinafter referred to as "bushings") with a voltage of 3.6 kV to 40.5 kV. This document is applicable to transformers, switches, and other indoor electrical equipment and devices used in three-phase AC systems with a maximum voltage of 3.6 kV to 40.5 kV and a frequency of 15 Hz to 60 Hz, which adopt a double-shielded structure and epoxy resin casting insulation bushings. This document is applicable to bushings that are manufactured and sold separately. Bushings that constitute a part of electrical equipment and cannot be tested according to this document should be tested together with the electrical equipment.